Forum Discussion
Adding Proxy Addresses in AD Before Tenant-to-Tenant Migration Cutover
We're in the process of migrating users from another M365 tenant into our own, which is synced with on-prem AD. Before the cutover, we'd like to add the proxy addresses from the source tenant to our ...
Do you have all the corresponding domains added and verified in the target tenant? If not, any aliases associated with them will be replaced with the default onmicrosoft.com domain.